THERE IS LIKE MAYBE 2 SPOILERS WHILE I WAS RANTING. READ AT YOUR OWN RISK.
I'll be honest, not a fan of the art, at all. The coloring work done on it was nice but didn't have a redeeming affect on the art. The only reason I powered through the book itself was the story aspect, and I've got issues with that too.
The reason I don't like the art comes in 2 parts. The first part has to do with the actual representation that art is supposed to do; at times, especially in an angle shot, the characters bodies are too distorted, the faces look static and too cartoony at the same time. Emotions fall flat and the anatomy is wonky in a few places. When you catch a few panels that look off, not only does it affect the reading experience, it can make you question how this got past editing. The second part is personal to me, I feel that the art has the match the story being told, to me it makes the story that much better, more immersive. A serious detective story should be gritty, a superhero story should have a lot of motion to it. The plot of this comic is sort of an end of humanity thriller and fantasy rolled in one, but the art supports neither of those aspects.
The plot on the other hand is very interesting. Thomas is being hunted down by some loan sharks and upon passing out after a nasty run in wakes up in some medieval style forest with a bunch of scary monster bats. Every time he falls asleep he wakes up in the medieval world or our modern world, and he's trying very hard to save both. I know the comic is based on a novel, and like almost every comic that is, it suffers in entertainment value because it feels like we're summarizing the story, and it all feels very rushed, instead of actually showing the story pan out. A little more buildup wouldn't hurt, especially to raise tension in those rescue parts.
I refuse to believe that a 432 page novel is adequately retold in 136 comic pages.
Another issue is with the referencing to the bible. Don't get your nickers in a twist I ain't knocking your holy book, or any holy book for that matter, I'm just saying the use if a fruit of knowledge, the lion and the lamb, a disembodied voice speaking as your creator, some creature tempting you to eat from a forbidden fruit. It feels cliche, like there was no attempt to be creative with these representation, the bat is the devil, eat it and you are cast from the colorful forest, travel through the desert until finding safety, Thomas and Rachelle play the part of Adam and Eve basically, at the end of it. It just feels a little shoved in your face you know, like we're just trying to slap a fun modern cover on the bible.
And another thing [it's 2 a.m. I'm just gunna complain] I don't like that the black bat is just stated as overall evil, like I believe you, but it's the fact that we the audience are just told he is bad, we're not shown it until the end. The literal point of a comic is to run home the fact of SHOW DON'T TELL. Show me he's bad, use flashbacks of him doing bad things, show him doing evil that the character can't see but we can, make the audience actually hate the villain, don't just point him out to us. I feel that a story is, at times, only as good as it's villain. If you can write a good villain, make the audience really hate them, then trust me they'll just keep reading to see what happens to him. Ok, trust me, I've read some really shitty [bad plot, bad characters, bad everything] books all because the story made me hate the villain, and I was hell bent on making sure he got what was coming to him by the end of the story. I mean I still want you to build your world, and expand your characters, but goddamn SHOW ME a villain worth my hate.
There are only 2 more comics [I believe] in this series, and I will be giving them a go.